Surgical resection of the primary tumor improves survival in patients with pancreatic neuroendocrine tumors associated with liver metastases: a meta-analysis

Introduction Pancreatic neuroendocrine tumors (PNETs) are rare, with tumors accounting for only about 1% of all pancreatic tumors by incidence, although their prevalence is very close to 10%.1,2 The incidence of liver metastases exceeds 50% of patients affected by PNETs (80% of bilobar cases).3 In some cases, these malignancies are not amenable to resection extending […]